Home / 135,988,447.04-187,659,290.40-74,107,522.88

Finding the Fourth Proportional to 135,988,447.04, 187,659,290.40 and 74,107,522.88

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Solution

The fourth proportional to 135,988,447.04, 187,659,290.40 and 74,107,522.88 is: 102,265,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,988,447.04 : 187,659,290.40 = 74,107,522.88 : x
  2. Step 2: Convert to fraction form
    135,988,447.04/187,659,290.40 = 74,107,522.88/x
  3. Step 3: Cross multiply
    135,988,447.04x = 187,659,290.40 × 74,107,522.88
  4. Step 4: Simplify right side
    135,988,447.04x = 13,906,965,156,962,564
  5. Step 5: Solve for x
    x = 13,906,965,156,962,564/135,988,447.04
  6. Step 6: Final answer
    x = 102,265,784.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.